Fixed the OpenGL detection code.
[wine/dcerpc.git] / files / file.c
blob819eadf052510be9b0533279d72892d2d87cf450
1 /*
2 * File handling functions
4 * Copyright 1993 John Burton
5 * Copyright 1996 Alexandre Julliard
7 * TODO:
8 * Fix the CopyFileEx methods to implement the "extended" functionality.
9 * Right now, they simply call the CopyFile method.
12 #include "config.h"
14 #include <assert.h>
15 #include <ctype.h>
16 #include <errno.h>
17 #include <fcntl.h>
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <string.h>
21 #ifdef HAVE_SYS_ERRNO_H
22 #include <sys/errno.h>
23 #endif
24 #include <sys/types.h>
25 #include <sys/stat.h>
26 #ifdef HAVE_SYS_MMAN_H
27 #include <sys/mman.h>
28 #endif
29 #include <sys/time.h>
30 #include <time.h>
31 #include <unistd.h>
32 #include <utime.h>
34 #include "winerror.h"
35 #include "windef.h"
36 #include "winbase.h"
37 #include "wine/winbase16.h"
38 #include "wine/winestring.h"
39 #include "drive.h"
40 #include "file.h"
41 #include "global.h"
42 #include "heap.h"
43 #include "msdos.h"
44 #include "ldt.h"
45 #include "task.h"
46 #include "wincon.h"
47 #include "debugtools.h"
49 #include "server.h"
51 DEFAULT_DEBUG_CHANNEL(file);
53 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
54 #define MAP_ANON MAP_ANONYMOUS
55 #endif
57 /* Size of per-process table of DOS handles */
58 #define DOS_TABLE_SIZE 256
60 static HANDLE dos_handles[DOS_TABLE_SIZE];
63 /***********************************************************************
64 * FILE_ConvertOFMode
66 * Convert OF_* mode into flags for CreateFile.
68 static void FILE_ConvertOFMode( INT mode, DWORD *access, DWORD *sharing )
70 switch(mode & 0x03)
72 case OF_READ: *access = GENERIC_READ; break;
73 case OF_WRITE: *access = GENERIC_WRITE; break;
74 case OF_READWRITE: *access = GENERIC_READ | GENERIC_WRITE; break;
75 default: *access = 0; break;
77 switch(mode & 0x70)
79 case OF_SHARE_EXCLUSIVE: *sharing = 0; break;
80 case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
81 case OF_SHARE_DENY_READ: *sharing = FILE_SHARE_WRITE; break;
82 case OF_SHARE_DENY_NONE:
83 case OF_SHARE_COMPAT:
84 default: *sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
89 #if 0
90 /***********************************************************************
91 * FILE_ShareDeny
93 * PARAMS
94 * oldmode[I] mode how file was first opened
95 * mode[I] mode how the file should get opened
96 * RETURNS
97 * TRUE: deny open
98 * FALSE: allow open
100 * Look what we have to do with the given SHARE modes
102 * Ralph Brown's interrupt list gives following explication, I guess
103 * the same holds for Windows, DENY ALL should be OF_SHARE_COMPAT
105 * FIXME: Validate this function
106 ========from Ralph Brown's list =========
107 (Table 0750)
108 Values of DOS file sharing behavior:
109 | Second and subsequent Opens
110 First |Compat Deny Deny Deny Deny
111 Open | All Write Read None
112 |R W RW R W RW R W RW R W RW R W RW
113 - - - - -| - - - - - - - - - - - - - - - - -
114 Compat R |Y Y Y N N N 1 N N N N N 1 N N
115 W |Y Y Y N N N N N N N N N N N N
116 RW|Y Y Y N N N N N N N N N N N N
117 - - - - -|
118 Deny R |C C C N N N N N N N N N N N N
119 All W |C C C N N N N N N N N N N N N
120 RW|C C C N N N N N N N N N N N N
121 - - - - -|
122 Deny R |2 C C N N N Y N N N N N Y N N
123 Write W |C C C N N N N N N Y N N Y N N
124 RW|C C C N N N N N N N N N Y N N
125 - - - - -|
126 Deny R |C C C N N N N Y N N N N N Y N
127 Read W |C C C N N N N N N N Y N N Y N
128 RW|C C C N N N N N N N N N N Y N
129 - - - - -|
130 Deny R |2 C C N N N Y Y Y N N N Y Y Y
131 None W |C C C N N N N N N Y Y Y Y Y Y
132 RW|C C C N N N N N N N N N Y Y Y
133 Legend: Y = open succeeds, N = open fails with error code 05h
134 C = open fails, INT 24 generated
135 1 = open succeeds if file read-only, else fails with error code
136 2 = open succeeds if file read-only, else fails with INT 24
137 ========end of description from Ralph Brown's List =====
138 For every "Y" in the table we return FALSE
139 For every "N" we set the DOS_ERROR and return TRUE
140 For all other cases we barf,set the DOS_ERROR and return TRUE
143 static BOOL FILE_ShareDeny( int mode, int oldmode)
145 int oldsharemode = oldmode & 0x70;
146 int sharemode = mode & 0x70;
147 int oldopenmode = oldmode & 3;
148 int openmode = mode & 3;
150 switch (oldsharemode)
152 case OF_SHARE_COMPAT:
153 if (sharemode == OF_SHARE_COMPAT) return FALSE;
154 if (openmode == OF_READ) goto test_ro_err05;
155 goto fail_error05;
156 case OF_SHARE_EXCLUSIVE:
157 if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
158 goto fail_error05;
159 case OF_SHARE_DENY_WRITE:
160 if (openmode != OF_READ)
162 if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
163 goto fail_error05;
165 switch (sharemode)
167 case OF_SHARE_COMPAT:
168 if (oldopenmode == OF_READ) goto test_ro_int24;
169 goto fail_int24;
170 case OF_SHARE_DENY_NONE:
171 return FALSE;
172 case OF_SHARE_DENY_WRITE:
173 if (oldopenmode == OF_READ) return FALSE;
174 case OF_SHARE_DENY_READ:
175 if (oldopenmode == OF_WRITE) return FALSE;
176 case OF_SHARE_EXCLUSIVE:
177 default:
178 goto fail_error05;
180 break;
181 case OF_SHARE_DENY_READ:
182 if (openmode != OF_WRITE)
184 if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
185 goto fail_error05;
187 switch (sharemode)
189 case OF_SHARE_COMPAT:
190 goto fail_int24;
191 case OF_SHARE_DENY_NONE:
192 return FALSE;
193 case OF_SHARE_DENY_WRITE:
194 if (oldopenmode == OF_READ) return FALSE;
195 case OF_SHARE_DENY_READ:
196 if (oldopenmode == OF_WRITE) return FALSE;
197 case OF_SHARE_EXCLUSIVE:
198 default:
199 goto fail_error05;
201 break;
202 case OF_SHARE_DENY_NONE:
203 switch (sharemode)
205 case OF_SHARE_COMPAT:
206 goto fail_int24;
207 case OF_SHARE_DENY_NONE:
208 return FALSE;
209 case OF_SHARE_DENY_WRITE:
210 if (oldopenmode == OF_READ) return FALSE;
211 case OF_SHARE_DENY_READ:
212 if (oldopenmode == OF_WRITE) return FALSE;
213 case OF_SHARE_EXCLUSIVE:
214 default:
215 goto fail_error05;
217 default:
218 ERR("unknown mode\n");
220 ERR("shouldn't happen\n");
221 ERR("Please report to bon@elektron.ikp.physik.tu-darmstadt.de\n");
222 return TRUE;
224 test_ro_int24:
225 if (oldmode == OF_READ)
226 return FALSE;
227 /* Fall through */
228 fail_int24:
229 FIXME("generate INT24 missing\n");
230 /* Is this the right error? */
231 SetLastError( ERROR_ACCESS_DENIED );
232 return TRUE;
234 test_ro_err05:
235 if (oldmode == OF_READ)
236 return FALSE;
237 /* fall through */
238 fail_error05:
239 TRACE("Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
240 SetLastError( ERROR_ACCESS_DENIED );
241 return TRUE;
243 #endif
246 /***********************************************************************
247 * FILE_SetDosError
249 * Set the DOS error code from errno.
251 void FILE_SetDosError(void)
253 int save_errno = errno; /* errno gets overwritten by printf */
255 TRACE("errno = %d %s\n", errno, strerror(errno));
256 switch (save_errno)
258 case EAGAIN:
259 SetLastError( ERROR_SHARING_VIOLATION );
260 break;
261 case EBADF:
262 SetLastError( ERROR_INVALID_HANDLE );
263 break;
264 case ENOSPC:
265 SetLastError( ERROR_HANDLE_DISK_FULL );
266 break;
267 case EACCES:
268 case EPERM:
269 case EROFS:
270 SetLastError( ERROR_ACCESS_DENIED );
271 break;
272 case EBUSY:
273 SetLastError( ERROR_LOCK_VIOLATION );
274 break;
275 case ENOENT:
276 SetLastError( ERROR_FILE_NOT_FOUND );
277 break;
278 case EISDIR:
279 SetLastError( ERROR_CANNOT_MAKE );
280 break;
281 case ENFILE:
282 case EMFILE:
283 SetLastError( ERROR_NO_MORE_FILES );
284 break;
285 case EEXIST:
286 SetLastError( ERROR_FILE_EXISTS );
287 break;
288 case EINVAL:
289 case ESPIPE:
290 SetLastError( ERROR_SEEK );
291 break;
292 case ENOTEMPTY:
293 SetLastError( ERROR_DIR_NOT_EMPTY );
294 break;
295 case ENOEXEC:
296 SetLastError( ERROR_BAD_FORMAT );
297 break;
298 default:
299 perror( "FILE_SetDosError: unknown errno" );
300 SetLastError( ERROR_GEN_FAILURE );
301 break;
303 errno = save_errno;
307 /***********************************************************************
308 * FILE_DupUnixHandle
310 * Duplicate a Unix handle into a task handle.
312 HFILE FILE_DupUnixHandle( int fd, DWORD access )
314 struct alloc_file_handle_request *req = get_req_buffer();
315 req->access = access;
316 server_call_fd( REQ_ALLOC_FILE_HANDLE, fd, NULL );
317 return req->handle;
321 /***********************************************************************
322 * FILE_GetUnixHandle
324 * Retrieve the Unix handle corresponding to a file handle.
326 int FILE_GetUnixHandle( HANDLE handle, DWORD access )
328 int unix_handle = -1;
329 if (access == GENERIC_READ)
331 struct get_read_fd_request *req = get_req_buffer();
332 req->handle = handle;
333 server_call_fd( REQ_GET_READ_FD, -1, &unix_handle );
335 else if (access == GENERIC_WRITE)
337 struct get_write_fd_request *req = get_req_buffer();
338 req->handle = handle;
339 server_call_fd( REQ_GET_WRITE_FD, -1, &unix_handle );
341 else ERR( "bad access %08lx\n", access );
342 return unix_handle;
346 /*************************************************************************
347 * FILE_OpenConsole
349 * Open a handle to the current process console.
351 static HANDLE FILE_OpenConsole( BOOL output, DWORD access, LPSECURITY_ATTRIBUTES sa )
353 int ret = -1;
355 SERVER_START_REQ
357 struct open_console_request *req = server_alloc_req( sizeof(*req), 0 );
359 req->output = output;
360 req->access = access;
361 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
362 SetLastError(0);
363 if (!server_call( REQ_OPEN_CONSOLE )) ret = req->handle;
365 SERVER_END_REQ;
366 return ret;
370 /***********************************************************************
371 * FILE_CreateFile
373 * Implementation of CreateFile. Takes a Unix path name.
375 HANDLE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
376 LPSECURITY_ATTRIBUTES sa, DWORD creation,
377 DWORD attributes, HANDLE template, BOOL fail_read_only )
379 DWORD err;
380 HANDLE ret;
381 size_t len = strlen(filename);
383 if (len > REQUEST_MAX_VAR_SIZE)
385 FIXME("filename '%s' too long\n", filename );
386 SetLastError( ERROR_INVALID_PARAMETER );
387 return -1;
390 restart:
391 SERVER_START_REQ
393 struct create_file_request *req = server_alloc_req( sizeof(*req), len );
394 req->access = access;
395 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
396 req->sharing = sharing;
397 req->create = creation;
398 req->attrs = attributes;
399 memcpy( server_data_ptr(req), filename, len );
400 SetLastError(0);
401 err = server_call( REQ_CREATE_FILE );
402 ret = req->handle;
404 SERVER_END_REQ;
406 /* If write access failed, retry without GENERIC_WRITE */
408 if ((ret == -1) && !fail_read_only && (access & GENERIC_WRITE))
410 if ((err == STATUS_MEDIA_WRITE_PROTECTED) || (err == STATUS_ACCESS_DENIED))
412 TRACE("Write access failed for file '%s', trying without "
413 "write access\n", filename);
414 access &= ~GENERIC_WRITE;
415 goto restart;
419 if (ret == -1)
420 WARN("Unable to create file '%s' (GLE %ld)\n", filename,
421 GetLastError());
423 return ret;
427 /***********************************************************************
428 * FILE_CreateDevice
430 * Same as FILE_CreateFile but for a device
432 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
434 HFILE ret;
435 SERVER_START_REQ
437 struct create_device_request *req = server_alloc_req( sizeof(*req), 0 );
439 req->access = access;
440 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
441 req->id = client_id;
442 SetLastError(0);
443 server_call( REQ_CREATE_DEVICE );
444 ret = req->handle;
446 SERVER_END_REQ;
447 return ret;
451 /*************************************************************************
452 * CreateFileA [KERNEL32.45] Creates or opens a file or other object
454 * Creates or opens an object, and returns a handle that can be used to
455 * access that object.
457 * PARAMS
459 * filename [I] pointer to filename to be accessed
460 * access [I] access mode requested
461 * sharing [I] share mode
462 * sa [I] pointer to security attributes
463 * creation [I] how to create the file
464 * attributes [I] attributes for newly created file
465 * template [I] handle to file with extended attributes to copy
467 * RETURNS
468 * Success: Open handle to specified file
469 * Failure: INVALID_HANDLE_VALUE
471 * NOTES
472 * Should call SetLastError() on failure.
474 * BUGS
476 * Doesn't support character devices, pipes, template files, or a
477 * lot of the 'attributes' flags yet.
479 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
480 LPSECURITY_ATTRIBUTES sa, DWORD creation,
481 DWORD attributes, HANDLE template )
483 DOS_FULL_NAME full_name;
485 if (!filename)
487 SetLastError( ERROR_INVALID_PARAMETER );
488 return HFILE_ERROR;
490 TRACE("%s %s%s%s%s%s%s%s\n",filename,
491 ((access & GENERIC_READ)==GENERIC_READ)?"GENERIC_READ ":"",
492 ((access & GENERIC_WRITE)==GENERIC_WRITE)?"GENERIC_WRITE ":"",
493 (!access)?"QUERY_ACCESS ":"",
494 ((sharing & FILE_SHARE_READ)==FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
495 ((sharing & FILE_SHARE_WRITE)==FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
496 ((sharing & FILE_SHARE_DELETE)==FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
497 (creation ==CREATE_NEW)?"CREATE_NEW":
498 (creation ==CREATE_ALWAYS)?"CREATE_ALWAYS ":
499 (creation ==OPEN_EXISTING)?"OPEN_EXISTING ":
500 (creation ==OPEN_ALWAYS)?"OPEN_ALWAYS ":
501 (creation ==TRUNCATE_EXISTING)?"TRUNCATE_EXISTING ":"");
503 /* If the name starts with '\\?\', ignore the first 4 chars. */
504 if (!strncmp(filename, "\\\\?\\", 4))
506 filename += 4;
507 if (!strncmp(filename, "UNC\\", 4))
509 FIXME("UNC name (%s) not supported.\n", filename );
510 SetLastError( ERROR_PATH_NOT_FOUND );
511 return HFILE_ERROR;
515 if (!strncmp(filename, "\\\\.\\", 4)) {
516 if (!DOSFS_GetDevice( filename ))
517 return DEVICE_Open( filename+4, access, sa );
518 else
519 filename+=4; /* fall into DOSFS_Device case below */
522 /* If the name still starts with '\\', it's a UNC name. */
523 if (!strncmp(filename, "\\\\", 2))
525 FIXME("UNC name (%s) not supported.\n", filename );
526 SetLastError( ERROR_PATH_NOT_FOUND );
527 return HFILE_ERROR;
530 /* If the name contains a DOS wild card (* or ?), do no create a file */
531 if(strchr(filename,'*') || strchr(filename,'?'))
532 return HFILE_ERROR;
534 /* Open a console for CONIN$ or CONOUT$ */
535 if (!strcasecmp(filename, "CONIN$")) return FILE_OpenConsole( FALSE, access, sa );
536 if (!strcasecmp(filename, "CONOUT$")) return FILE_OpenConsole( TRUE, access, sa );
538 if (DOSFS_GetDevice( filename ))
540 HFILE ret;
542 TRACE("opening device '%s'\n", filename );
544 if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
545 return ret;
547 /* Do not silence this please. It is a critical error. -MM */
548 ERR("Couldn't open device '%s'!\n",filename);
549 SetLastError( ERROR_FILE_NOT_FOUND );
550 return HFILE_ERROR;
553 /* check for filename, don't check for last entry if creating */
554 if (!DOSFS_GetFullName( filename,
555 (creation == OPEN_EXISTING) ||
556 (creation == TRUNCATE_EXISTING),
557 &full_name )) {
558 WARN("Unable to get full filename from '%s' (GLE %ld)\n",
559 filename, GetLastError());
560 return HFILE_ERROR;
563 return FILE_CreateFile( full_name.long_name, access, sharing,
564 sa, creation, attributes, template,
565 DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
570 /*************************************************************************
571 * CreateFileW (KERNEL32.48)
573 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
574 LPSECURITY_ATTRIBUTES sa, DWORD creation,
575 DWORD attributes, HANDLE template)
577 LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
578 HANDLE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
579 HeapFree( GetProcessHeap(), 0, afn );
580 return res;
584 /***********************************************************************
585 * FILE_FillInfo
587 * Fill a file information from a struct stat.
589 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
591 if (S_ISDIR(st->st_mode))
592 info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
593 else
594 info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
595 if (!(st->st_mode & S_IWUSR))
596 info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
598 RtlSecondsSince1970ToTime( st->st_mtime, &info->ftCreationTime );
599 RtlSecondsSince1970ToTime( st->st_mtime, &info->ftLastWriteTime );
600 RtlSecondsSince1970ToTime( st->st_atime, &info->ftLastAccessTime );
602 info->dwVolumeSerialNumber = 0; /* FIXME */
603 info->nFileSizeHigh = 0;
604 info->nFileSizeLow = S_ISDIR(st->st_mode) ? 0 : st->st_size;
605 info->nNumberOfLinks = st->st_nlink;
606 info->nFileIndexHigh = 0;
607 info->nFileIndexLow = st->st_ino;
611 /***********************************************************************
612 * FILE_Stat
614 * Stat a Unix path name. Return TRUE if OK.
616 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
618 struct stat st;
620 if (!unixName || !info) return FALSE;
622 if (stat( unixName, &st ) == -1)
624 FILE_SetDosError();
625 return FALSE;
627 FILE_FillInfo( &st, info );
628 return TRUE;
632 /***********************************************************************
633 * GetFileInformationByHandle (KERNEL32.219)
635 DWORD WINAPI GetFileInformationByHandle( HANDLE hFile,
636 BY_HANDLE_FILE_INFORMATION *info )
638 DWORD ret;
639 if (!info) return 0;
641 SERVER_START_REQ
643 struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
644 req->handle = hFile;
645 if ((ret = !server_call( REQ_GET_FILE_INFO )))
647 RtlSecondsSince1970ToTime( req->write_time, &info->ftCreationTime );
648 RtlSecondsSince1970ToTime( req->write_time, &info->ftLastWriteTime );
649 RtlSecondsSince1970ToTime( req->access_time, &info->ftLastAccessTime );
650 info->dwFileAttributes = req->attr;
651 info->dwVolumeSerialNumber = req->serial;
652 info->nFileSizeHigh = req->size_high;
653 info->nFileSizeLow = req->size_low;
654 info->nNumberOfLinks = req->links;
655 info->nFileIndexHigh = req->index_high;
656 info->nFileIndexLow = req->index_low;
659 SERVER_END_REQ;
660 return ret;
664 /**************************************************************************
665 * GetFileAttributes16 (KERNEL.420)
667 DWORD WINAPI GetFileAttributes16( LPCSTR name )
669 return GetFileAttributesA( name );
673 /**************************************************************************
674 * GetFileAttributesA (KERNEL32.217)
676 DWORD WINAPI GetFileAttributesA( LPCSTR name )
678 DOS_FULL_NAME full_name;
679 BY_HANDLE_FILE_INFORMATION info;
681 if (name == NULL || *name=='\0') return -1;
683 if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
684 if (!FILE_Stat( full_name.long_name, &info )) return -1;
685 return info.dwFileAttributes;
689 /**************************************************************************
690 * GetFileAttributesW (KERNEL32.218)
692 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
694 LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
695 DWORD res = GetFileAttributesA( nameA );
696 HeapFree( GetProcessHeap(), 0, nameA );
697 return res;
701 /***********************************************************************
702 * GetFileSize (KERNEL32.220)
704 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
706 BY_HANDLE_FILE_INFORMATION info;
707 if (!GetFileInformationByHandle( hFile, &info )) return 0;
708 if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
709 return info.nFileSizeLow;
713 /***********************************************************************
714 * GetFileTime (KERNEL32.221)
716 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
717 FILETIME *lpLastAccessTime,
718 FILETIME *lpLastWriteTime )
720 BY_HANDLE_FILE_INFORMATION info;
721 if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
722 if (lpCreationTime) *lpCreationTime = info.ftCreationTime;
723 if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
724 if (lpLastWriteTime) *lpLastWriteTime = info.ftLastWriteTime;
725 return TRUE;
728 /***********************************************************************
729 * CompareFileTime (KERNEL32.28)
731 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
733 if (!x || !y) return -1;
735 if (x->dwHighDateTime > y->dwHighDateTime)
736 return 1;
737 if (x->dwHighDateTime < y->dwHighDateTime)
738 return -1;
739 if (x->dwLowDateTime > y->dwLowDateTime)
740 return 1;
741 if (x->dwLowDateTime < y->dwLowDateTime)
742 return -1;
743 return 0;
746 /***********************************************************************
747 * FILE_GetTempFileName : utility for GetTempFileName
749 static UINT FILE_GetTempFileName( LPCSTR path, LPCSTR prefix, UINT unique,
750 LPSTR buffer, BOOL isWin16 )
752 static UINT unique_temp;
753 DOS_FULL_NAME full_name;
754 int i;
755 LPSTR p;
756 UINT num;
758 if ( !path || !prefix || !buffer ) return 0;
760 if (!unique_temp) unique_temp = time(NULL) & 0xffff;
761 num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
763 strcpy( buffer, path );
764 p = buffer + strlen(buffer);
766 /* add a \, if there isn't one and path is more than just the drive letter ... */
767 if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
768 && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
770 if (isWin16) *p++ = '~';
771 for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
772 sprintf( p, "%04x.tmp", num );
774 /* Now try to create it */
776 if (!unique)
780 HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
781 CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
782 if (handle != INVALID_HANDLE_VALUE)
783 { /* We created it */
784 TRACE("created %s\n",
785 buffer);
786 CloseHandle( handle );
787 break;
789 if (GetLastError() != ERROR_FILE_EXISTS)
790 break; /* No need to go on */
791 num++;
792 sprintf( p, "%04x.tmp", num );
793 } while (num != (unique & 0xffff));
796 /* Get the full path name */
798 if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
800 /* Check if we have write access in the directory */
801 if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
802 if (access( full_name.long_name, W_OK ) == -1)
803 WARN("returns '%s', which doesn't seem to be writeable.\n",
804 buffer);
806 TRACE("returning %s\n", buffer );
807 return unique ? unique : num;
811 /***********************************************************************
812 * GetTempFileNameA (KERNEL32.290)
814 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
815 LPSTR buffer)
817 return FILE_GetTempFileName(path, prefix, unique, buffer, FALSE);
820 /***********************************************************************
821 * GetTempFileNameW (KERNEL32.291)
823 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
824 LPWSTR buffer )
826 LPSTR patha,prefixa;
827 char buffera[144];
828 UINT ret;
830 if (!path) return 0;
831 patha = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
832 prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
833 ret = FILE_GetTempFileName( patha, prefixa, unique, buffera, FALSE );
834 lstrcpyAtoW( buffer, buffera );
835 HeapFree( GetProcessHeap(), 0, patha );
836 HeapFree( GetProcessHeap(), 0, prefixa );
837 return ret;
841 /***********************************************************************
842 * GetTempFileName16 (KERNEL.97)
844 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
845 LPSTR buffer )
847 char temppath[144];
849 if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
850 drive |= DRIVE_GetCurrentDrive() + 'A';
852 if ((drive & TF_FORCEDRIVE) &&
853 !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
855 drive &= ~TF_FORCEDRIVE;
856 WARN("invalid drive %d specified\n", drive );
859 if (drive & TF_FORCEDRIVE)
860 sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
861 else
862 GetTempPathA( 132, temppath );
863 return (UINT16)FILE_GetTempFileName( temppath, prefix, unique, buffer, TRUE );
866 /***********************************************************************
867 * FILE_DoOpenFile
869 * Implementation of OpenFile16() and OpenFile32().
871 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
872 BOOL win32 )
874 HFILE hFileRet;
875 FILETIME filetime;
876 WORD filedatetime[2];
877 DOS_FULL_NAME full_name;
878 DWORD access, sharing;
879 char *p;
881 if (!ofs) return HFILE_ERROR;
883 TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
884 ((mode & 0x3 )==OF_READ)?"OF_READ":
885 ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
886 ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
887 ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
888 ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
889 ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
890 ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
891 ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
892 ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
893 ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
894 ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
895 ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
896 ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
897 ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
898 ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
899 ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
900 ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
904 ofs->cBytes = sizeof(OFSTRUCT);
905 ofs->nErrCode = 0;
906 if (mode & OF_REOPEN) name = ofs->szPathName;
908 if (!name) {
909 ERR("called with `name' set to NULL ! Please debug.\n");
910 return HFILE_ERROR;
913 TRACE("%s %04x\n", name, mode );
915 /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
916 Are there any cases where getting the path here is wrong?
917 Uwe Bonnes 1997 Apr 2 */
918 if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
919 ofs->szPathName, NULL )) goto error;
920 FILE_ConvertOFMode( mode, &access, &sharing );
922 /* OF_PARSE simply fills the structure */
924 if (mode & OF_PARSE)
926 ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
927 != DRIVE_REMOVABLE);
928 TRACE("(%s): OF_PARSE, res = '%s'\n",
929 name, ofs->szPathName );
930 return 0;
933 /* OF_CREATE is completely different from all other options, so
934 handle it first */
936 if (mode & OF_CREATE)
938 if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
939 sharing, NULL, CREATE_ALWAYS,
940 FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
941 goto error;
942 goto success;
945 /* If OF_SEARCH is set, ignore the given path */
947 if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
949 /* First try the file name as is */
950 if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
951 /* Now remove the path */
952 if (name[0] && (name[1] == ':')) name += 2;
953 if ((p = strrchr( name, '\\' ))) name = p + 1;
954 if ((p = strrchr( name, '/' ))) name = p + 1;
955 if (!name[0]) goto not_found;
958 /* Now look for the file */
960 if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
962 found:
963 TRACE("found %s = %s\n",
964 full_name.long_name, full_name.short_name );
965 lstrcpynA( ofs->szPathName, full_name.short_name,
966 sizeof(ofs->szPathName) );
968 if (mode & OF_SHARE_EXCLUSIVE)
969 /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
970 on the file <tempdir>/_ins0432._mp to determine how
971 far installation has proceeded.
972 _ins0432._mp is an executable and while running the
973 application expects the open with OF_SHARE_ to fail*/
974 /* Probable FIXME:
975 As our loader closes the files after loading the executable,
976 we can't find the running executable with FILE_InUse.
977 Perhaps the loader should keep the file open.
978 Recheck against how Win handles that case */
980 char *last = strrchr(full_name.long_name,'/');
981 if (!last)
982 last = full_name.long_name - 1;
983 if (GetModuleHandle16(last+1))
985 TRACE("Denying shared open for %s\n",full_name.long_name);
986 return HFILE_ERROR;
990 if (mode & OF_DELETE)
992 if (unlink( full_name.long_name ) == -1) goto not_found;
993 TRACE("(%s): OF_DELETE return = OK\n", name);
994 return 1;
997 hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
998 NULL, OPEN_EXISTING, 0, -1,
999 DRIVE_GetFlags(full_name.drive) & DRIVE_FAIL_READ_ONLY );
1000 if (hFileRet == HFILE_ERROR) goto not_found;
1002 GetFileTime( hFileRet, NULL, NULL, &filetime );
1003 FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
1004 if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
1006 if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
1008 CloseHandle( hFileRet );
1009 WARN("(%s): OF_VERIFY failed\n", name );
1010 /* FIXME: what error here? */
1011 SetLastError( ERROR_FILE_NOT_FOUND );
1012 goto error;
1015 memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
1017 success: /* We get here if the open was successful */
1018 TRACE("(%s): OK, return = %d\n", name, hFileRet );
1019 if (win32)
1021 if (mode & OF_EXIST) /* Return the handle, but close it first */
1022 CloseHandle( hFileRet );
1024 else
1026 hFileRet = FILE_AllocDosHandle( hFileRet );
1027 if (hFileRet == HFILE_ERROR16) goto error;
1028 if (mode & OF_EXIST) /* Return the handle, but close it first */
1029 _lclose16( hFileRet );
1031 return hFileRet;
1033 not_found: /* We get here if the file does not exist */
1034 WARN("'%s' not found or sharing violation\n", name );
1035 SetLastError( ERROR_FILE_NOT_FOUND );
1036 /* fall through */
1038 error: /* We get here if there was an error opening the file */
1039 ofs->nErrCode = GetLastError();
1040 WARN("(%s): return = HFILE_ERROR error= %d\n",
1041 name,ofs->nErrCode );
1042 return HFILE_ERROR;
1046 /***********************************************************************
1047 * OpenFile16 (KERNEL.74)
1049 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
1051 return FILE_DoOpenFile( name, ofs, mode, FALSE );
1055 /***********************************************************************
1056 * OpenFile (KERNEL32.396)
1058 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
1060 return FILE_DoOpenFile( name, ofs, mode, TRUE );
1064 /***********************************************************************
1065 * FILE_InitProcessDosHandles
1067 * Allocates the default DOS handles for a process. Called either by
1068 * AllocDosHandle below or by the DOSVM stuff.
1070 static void FILE_InitProcessDosHandles( void )
1072 dos_handles[0] = GetStdHandle(STD_INPUT_HANDLE);
1073 dos_handles[1] = GetStdHandle(STD_OUTPUT_HANDLE);
1074 dos_handles[2] = GetStdHandle(STD_ERROR_HANDLE);
1075 dos_handles[3] = GetStdHandle(STD_ERROR_HANDLE);
1076 dos_handles[4] = GetStdHandle(STD_ERROR_HANDLE);
1079 /***********************************************************************
1080 * FILE_AllocDosHandle
1082 * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
1083 * longer valid after this function (even on failure).
1085 HFILE16 FILE_AllocDosHandle( HANDLE handle )
1087 int i;
1089 if (!handle || (handle == INVALID_HANDLE_VALUE))
1090 return INVALID_HANDLE_VALUE16;
1092 for (i = 5; i < DOS_TABLE_SIZE; i++)
1093 if (!dos_handles[i])
1095 dos_handles[i] = handle;
1096 TRACE("Got %d for h32 %d\n", i, handle );
1097 return i;
1099 CloseHandle( handle );
1100 SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1101 return INVALID_HANDLE_VALUE16;
1105 /***********************************************************************
1106 * FILE_GetHandle
1108 * Return the Win32 handle for a DOS handle.
1110 HANDLE FILE_GetHandle( HFILE16 hfile )
1112 if (hfile < 5 && !dos_handles[hfile]) FILE_InitProcessDosHandles();
1113 if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
1115 SetLastError( ERROR_INVALID_HANDLE );
1116 return INVALID_HANDLE_VALUE;
1118 return dos_handles[hfile];
1122 /***********************************************************************
1123 * FILE_Dup2
1125 * dup2() function for DOS handles.
1127 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1129 HANDLE new_handle;
1131 if (hFile1 < 5 && !dos_handles[hFile1]) FILE_InitProcessDosHandles();
1133 if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) || !dos_handles[hFile1])
1135 SetLastError( ERROR_INVALID_HANDLE );
1136 return HFILE_ERROR16;
1138 if (hFile2 < 5)
1140 FIXME("stdio handle closed, need proper conversion\n" );
1141 SetLastError( ERROR_INVALID_HANDLE );
1142 return HFILE_ERROR16;
1144 if (!DuplicateHandle( GetCurrentProcess(), dos_handles[hFile1],
1145 GetCurrentProcess(), &new_handle,
1146 0, FALSE, DUPLICATE_SAME_ACCESS ))
1147 return HFILE_ERROR16;
1148 if (dos_handles[hFile2]) CloseHandle( dos_handles[hFile2] );
1149 dos_handles[hFile2] = new_handle;
1150 return hFile2;
1154 /***********************************************************************
1155 * _lclose16 (KERNEL.81)
1157 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1159 if (hFile < 5)
1161 FIXME("stdio handle closed, need proper conversion\n" );
1162 SetLastError( ERROR_INVALID_HANDLE );
1163 return HFILE_ERROR16;
1165 if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
1167 SetLastError( ERROR_INVALID_HANDLE );
1168 return HFILE_ERROR16;
1170 TRACE("%d (handle32=%d)\n", hFile, dos_handles[hFile] );
1171 CloseHandle( dos_handles[hFile] );
1172 dos_handles[hFile] = 0;
1173 return 0;
1177 /***********************************************************************
1178 * _lclose (KERNEL32.592)
1180 HFILE WINAPI _lclose( HFILE hFile )
1182 TRACE("handle %d\n", hFile );
1183 return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1186 /***********************************************************************
1187 * GetOverlappedResult (KERNEL32.360)
1189 BOOL WINAPI GetOverlappedResult(HANDLE hFile,LPOVERLAPPED lpOverlapped,
1190 LPDWORD lpNumberOfBytesTransferred,
1191 BOOL bWait)
1193 /* Since all i/o is currently synchronous,
1194 * return true, assuming ReadFile/WriteFile
1195 * have completed the operation */
1196 FIXME("NO Asynch I/O, assuming Read/Write succeeded\n" );
1197 return TRUE;
1200 /***********************************************************************
1201 * ReadFile (KERNEL32.428)
1203 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1204 LPDWORD bytesRead, LPOVERLAPPED overlapped )
1206 int unix_handle, result;
1208 TRACE("%d %p %ld\n", hFile, buffer, bytesToRead );
1210 if (bytesRead) *bytesRead = 0; /* Do this before anything else */
1211 if (!bytesToRead) return TRUE;
1213 if ( overlapped ) {
1214 SetLastError ( ERROR_INVALID_PARAMETER );
1215 return FALSE;
1218 unix_handle = FILE_GetUnixHandle( hFile, GENERIC_READ );
1219 if (unix_handle == -1) return FALSE;
1220 while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1222 if ((errno == EAGAIN) || (errno == EINTR)) continue;
1223 if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1224 FILE_SetDosError();
1225 break;
1227 close( unix_handle );
1228 if (result == -1) return FALSE;
1229 if (bytesRead) *bytesRead = result;
1230 return TRUE;
1234 /***********************************************************************
1235 * WriteFile (KERNEL32.578)
1237 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1238 LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1240 int unix_handle, result;
1242 TRACE("%d %p %ld\n", hFile, buffer, bytesToWrite );
1244 if (bytesWritten) *bytesWritten = 0; /* Do this before anything else */
1245 if (!bytesToWrite) return TRUE;
1247 if ( overlapped ) {
1248 SetLastError ( ERROR_INVALID_PARAMETER );
1249 return FALSE;
1252 unix_handle = FILE_GetUnixHandle( hFile, GENERIC_WRITE );
1253 if (unix_handle == -1) return FALSE;
1254 while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1256 if ((errno == EAGAIN) || (errno == EINTR)) continue;
1257 if ((errno == EFAULT) && !VIRTUAL_HandleFault( buffer )) continue;
1258 if (errno == ENOSPC)
1259 SetLastError( ERROR_DISK_FULL );
1260 else
1261 FILE_SetDosError();
1262 break;
1264 close( unix_handle );
1265 if (result == -1) return FALSE;
1266 if (bytesWritten) *bytesWritten = result;
1267 return TRUE;
1271 /***********************************************************************
1272 * WIN16_hread
1274 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1276 LONG maxlen;
1278 TRACE("%d %08lx %ld\n",
1279 hFile, (DWORD)buffer, count );
1281 /* Some programs pass a count larger than the allocated buffer */
1282 maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1283 if (count > maxlen) count = maxlen;
1284 return _lread(FILE_GetHandle(hFile), PTR_SEG_TO_LIN(buffer), count );
1288 /***********************************************************************
1289 * WIN16_lread
1291 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1293 return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1297 /***********************************************************************
1298 * _lread (KERNEL32.596)
1300 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1302 DWORD result;
1303 if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1304 return result;
1308 /***********************************************************************
1309 * _lread16 (KERNEL.82)
1311 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1313 return (UINT16)_lread(FILE_GetHandle(hFile), buffer, (LONG)count );
1317 /***********************************************************************
1318 * _lcreat16 (KERNEL.83)
1320 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1322 return FILE_AllocDosHandle( _lcreat( path, attr ) );
1326 /***********************************************************************
1327 * _lcreat (KERNEL32.593)
1329 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1331 /* Mask off all flags not explicitly allowed by the doc */
1332 attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
1333 TRACE("%s %02x\n", path, attr );
1334 return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1335 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1336 CREATE_ALWAYS, attr, -1 );
1340 /***********************************************************************
1341 * SetFilePointer (KERNEL32.492)
1343 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
1344 DWORD method )
1346 DWORD ret = 0xffffffff;
1348 if (highword &&
1349 ((distance >= 0 && *highword != 0) || (distance < 0 && *highword != -1)))
1351 FIXME("64-bit offsets not supported yet\n"
1352 "SetFilePointer(%08x,%08lx,%08lx,%08lx)\n",
1353 hFile,distance,*highword,method);
1354 SetLastError( ERROR_INVALID_PARAMETER );
1355 return ret;
1357 TRACE("handle %d offset %ld origin %ld\n",
1358 hFile, distance, method );
1360 SERVER_START_REQ
1362 struct set_file_pointer_request *req = server_alloc_req( sizeof(*req), 0 );
1363 req->handle = hFile;
1364 req->low = distance;
1365 req->high = highword ? *highword : (distance >= 0) ? 0 : -1;
1366 /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1367 req->whence = method;
1368 SetLastError( 0 );
1369 if (!server_call( REQ_SET_FILE_POINTER ))
1371 ret = req->new_low;
1372 if (highword) *highword = req->new_high;
1375 SERVER_END_REQ;
1376 return ret;
1380 /***********************************************************************
1381 * _llseek16 (KERNEL.84)
1383 * FIXME:
1384 * Seeking before the start of the file should be allowed for _llseek16,
1385 * but cause subsequent I/O operations to fail (cf. interrupt list)
1388 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1390 return SetFilePointer( FILE_GetHandle(hFile), lOffset, NULL, nOrigin );
1394 /***********************************************************************
1395 * _llseek (KERNEL32.594)
1397 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1399 return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1403 /***********************************************************************
1404 * _lopen16 (KERNEL.85)
1406 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1408 return FILE_AllocDosHandle( _lopen( path, mode ) );
1412 /***********************************************************************
1413 * _lopen (KERNEL32.595)
1415 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1417 DWORD access, sharing;
1419 TRACE("('%s',%04x)\n", path, mode );
1420 FILE_ConvertOFMode( mode, &access, &sharing );
1421 return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1425 /***********************************************************************
1426 * _lwrite16 (KERNEL.86)
1428 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1430 return (UINT16)_hwrite( FILE_GetHandle(hFile), buffer, (LONG)count );
1433 /***********************************************************************
1434 * _lwrite (KERNEL32.761)
1436 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1438 return (UINT)_hwrite( hFile, buffer, (LONG)count );
1442 /***********************************************************************
1443 * _hread16 (KERNEL.349)
1445 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1447 return _lread( FILE_GetHandle(hFile), buffer, count );
1451 /***********************************************************************
1452 * _hread (KERNEL32.590)
1454 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1456 return _lread( hFile, buffer, count );
1460 /***********************************************************************
1461 * _hwrite16 (KERNEL.350)
1463 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1465 return _hwrite( FILE_GetHandle(hFile), buffer, count );
1469 /***********************************************************************
1470 * _hwrite (KERNEL32.591)
1472 * experimentation yields that _lwrite:
1473 * o truncates the file at the current position with
1474 * a 0 len write
1475 * o returns 0 on a 0 length write
1476 * o works with console handles
1479 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1481 DWORD result;
1483 TRACE("%d %p %ld\n", handle, buffer, count );
1485 if (!count)
1487 /* Expand or truncate at current position */
1488 if (!SetEndOfFile( handle )) return HFILE_ERROR;
1489 return 0;
1491 if (!WriteFile( handle, buffer, count, &result, NULL ))
1492 return HFILE_ERROR;
1493 return result;
1497 /***********************************************************************
1498 * SetHandleCount16 (KERNEL.199)
1500 UINT16 WINAPI SetHandleCount16( UINT16 count )
1502 HGLOBAL16 hPDB = GetCurrentPDB16();
1503 PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1504 BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1506 TRACE("(%d)\n", count );
1508 if (count < 20) count = 20; /* No point in going below 20 */
1509 else if (count > 254) count = 254;
1511 if (count == 20)
1513 if (pdb->nbFiles > 20)
1515 memcpy( pdb->fileHandles, files, 20 );
1516 GlobalFree16( pdb->hFileHandles );
1517 pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1518 GlobalHandleToSel16( hPDB ) );
1519 pdb->hFileHandles = 0;
1520 pdb->nbFiles = 20;
1523 else /* More than 20, need a new file handles table */
1525 BYTE *newfiles;
1526 HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1527 if (!newhandle)
1529 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1530 return pdb->nbFiles;
1532 newfiles = (BYTE *)GlobalLock16( newhandle );
1534 if (count > pdb->nbFiles)
1536 memcpy( newfiles, files, pdb->nbFiles );
1537 memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1539 else memcpy( newfiles, files, count );
1540 if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1541 pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1542 pdb->hFileHandles = newhandle;
1543 pdb->nbFiles = count;
1545 return pdb->nbFiles;
1549 /*************************************************************************
1550 * SetHandleCount (KERNEL32.494)
1552 UINT WINAPI SetHandleCount( UINT count )
1554 return min( 256, count );
1558 /***********************************************************************
1559 * FlushFileBuffers (KERNEL32.133)
1561 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
1563 BOOL ret;
1564 SERVER_START_REQ
1566 struct flush_file_request *req = server_alloc_req( sizeof(*req), 0 );
1567 req->handle = hFile;
1568 ret = !server_call( REQ_FLUSH_FILE );
1570 SERVER_END_REQ;
1571 return ret;
1575 /**************************************************************************
1576 * SetEndOfFile (KERNEL32.483)
1578 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1580 BOOL ret;
1581 SERVER_START_REQ
1583 struct truncate_file_request *req = server_alloc_req( sizeof(*req), 0 );
1584 req->handle = hFile;
1585 ret = !server_call( REQ_TRUNCATE_FILE );
1587 SERVER_END_REQ;
1588 return ret;
1592 /***********************************************************************
1593 * DeleteFile16 (KERNEL.146)
1595 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1597 return DeleteFileA( path );
1601 /***********************************************************************
1602 * DeleteFileA (KERNEL32.71)
1604 BOOL WINAPI DeleteFileA( LPCSTR path )
1606 DOS_FULL_NAME full_name;
1608 TRACE("'%s'\n", path );
1610 if (!*path)
1612 ERR("Empty path passed\n");
1613 return FALSE;
1615 if (DOSFS_GetDevice( path ))
1617 WARN("cannot remove DOS device '%s'!\n", path);
1618 SetLastError( ERROR_FILE_NOT_FOUND );
1619 return FALSE;
1622 if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1623 if (unlink( full_name.long_name ) == -1)
1625 FILE_SetDosError();
1626 return FALSE;
1628 return TRUE;
1632 /***********************************************************************
1633 * DeleteFileW (KERNEL32.72)
1635 BOOL WINAPI DeleteFileW( LPCWSTR path )
1637 LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1638 BOOL ret = DeleteFileA( xpath );
1639 HeapFree( GetProcessHeap(), 0, xpath );
1640 return ret;
1644 /***********************************************************************
1645 * GetFileType (KERNEL32.222)
1647 DWORD WINAPI GetFileType( HANDLE hFile )
1649 DWORD ret = FILE_TYPE_UNKNOWN;
1650 SERVER_START_REQ
1652 struct get_file_info_request *req = server_alloc_req( sizeof(*req), 0 );
1653 req->handle = hFile;
1654 if (!server_call( REQ_GET_FILE_INFO )) ret = req->type;
1656 SERVER_END_REQ;
1657 return ret;
1661 /**************************************************************************
1662 * MoveFileExA (KERNEL32.???)
1664 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1666 DOS_FULL_NAME full_name1, full_name2;
1668 TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
1670 if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1672 if (fn2) /* !fn2 means delete fn1 */
1674 if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1676 /* target exists, check if we may overwrite */
1677 if (!(flag & MOVEFILE_REPLACE_EXISTING))
1679 /* FIXME: Use right error code */
1680 SetLastError( ERROR_ACCESS_DENIED );
1681 return FALSE;
1684 else if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1686 /* Source name and target path are valid */
1688 if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1690 /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1691 Perhaps we should queue these command and execute it
1692 when exiting... What about using on_exit(2)
1694 FIXME("Please move existing file '%s' to file '%s' when Wine has finished\n",
1695 full_name1.long_name, full_name2.long_name);
1696 return TRUE;
1699 if (full_name1.drive != full_name2.drive)
1701 /* use copy, if allowed */
1702 if (!(flag & MOVEFILE_COPY_ALLOWED))
1704 /* FIXME: Use right error code */
1705 SetLastError( ERROR_FILE_EXISTS );
1706 return FALSE;
1708 return CopyFileA( fn1, fn2, !(flag & MOVEFILE_REPLACE_EXISTING) );
1710 if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1712 FILE_SetDosError();
1713 return FALSE;
1715 return TRUE;
1717 else /* fn2 == NULL means delete source */
1719 if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1721 if (flag & MOVEFILE_COPY_ALLOWED) {
1722 WARN("Illegal flag\n");
1723 SetLastError( ERROR_GEN_FAILURE );
1724 return FALSE;
1726 /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1727 Perhaps we should queue these command and execute it
1728 when exiting... What about using on_exit(2)
1730 FIXME("Please delete file '%s' when Wine has finished\n",
1731 full_name1.long_name);
1732 return TRUE;
1735 if (unlink( full_name1.long_name ) == -1)
1737 FILE_SetDosError();
1738 return FALSE;
1740 return TRUE; /* successfully deleted */
1744 /**************************************************************************
1745 * MoveFileExW (KERNEL32.???)
1747 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1749 LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1750 LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1751 BOOL res = MoveFileExA( afn1, afn2, flag );
1752 HeapFree( GetProcessHeap(), 0, afn1 );
1753 HeapFree( GetProcessHeap(), 0, afn2 );
1754 return res;
1758 /**************************************************************************
1759 * MoveFileA (KERNEL32.387)
1761 * Move file or directory
1763 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1765 DOS_FULL_NAME full_name1, full_name2;
1766 struct stat fstat;
1768 TRACE("(%s,%s)\n", fn1, fn2 );
1770 if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1771 if (DOSFS_GetFullName( fn2, TRUE, &full_name2 )) {
1772 /* The new name must not already exist */
1773 SetLastError(ERROR_ALREADY_EXISTS);
1774 return FALSE;
1776 if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1778 if (full_name1.drive == full_name2.drive) /* move */
1779 if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1781 FILE_SetDosError();
1782 return FALSE;
1784 else return TRUE;
1785 else /*copy */ {
1786 if (stat( full_name1.long_name, &fstat ))
1788 WARN("Invalid source file %s\n",
1789 full_name1.long_name);
1790 FILE_SetDosError();
1791 return FALSE;
1793 if (S_ISDIR(fstat.st_mode)) {
1794 /* No Move for directories across file systems */
1795 /* FIXME: Use right error code */
1796 SetLastError( ERROR_GEN_FAILURE );
1797 return FALSE;
1799 else
1800 return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1805 /**************************************************************************
1806 * MoveFileW (KERNEL32.390)
1808 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1810 LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1811 LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1812 BOOL res = MoveFileA( afn1, afn2 );
1813 HeapFree( GetProcessHeap(), 0, afn1 );
1814 HeapFree( GetProcessHeap(), 0, afn2 );
1815 return res;
1819 /**************************************************************************
1820 * CopyFileA (KERNEL32.36)
1822 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1824 HFILE h1, h2;
1825 BY_HANDLE_FILE_INFORMATION info;
1826 UINT count;
1827 BOOL ret = FALSE;
1828 int mode;
1829 char buffer[2048];
1831 if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1832 if (!GetFileInformationByHandle( h1, &info ))
1834 CloseHandle( h1 );
1835 return FALSE;
1837 mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1838 if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1839 fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1840 info.dwFileAttributes, h1 )) == HFILE_ERROR)
1842 CloseHandle( h1 );
1843 return FALSE;
1845 while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1847 char *p = buffer;
1848 while (count > 0)
1850 INT res = _lwrite( h2, p, count );
1851 if (res <= 0) goto done;
1852 p += res;
1853 count -= res;
1856 ret = TRUE;
1857 done:
1858 CloseHandle( h1 );
1859 CloseHandle( h2 );
1860 return ret;
1864 /**************************************************************************
1865 * CopyFileW (KERNEL32.37)
1867 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1869 LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1870 LPSTR destA = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1871 BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1872 HeapFree( GetProcessHeap(), 0, sourceA );
1873 HeapFree( GetProcessHeap(), 0, destA );
1874 return ret;
1878 /**************************************************************************
1879 * CopyFileExA (KERNEL32.858)
1881 * This implementation ignores most of the extra parameters passed-in into
1882 * the "ex" version of the method and calls the CopyFile method.
1883 * It will have to be fixed eventually.
1885 BOOL WINAPI CopyFileExA(LPCSTR sourceFilename,
1886 LPCSTR destFilename,
1887 LPPROGRESS_ROUTINE progressRoutine,
1888 LPVOID appData,
1889 LPBOOL cancelFlagPointer,
1890 DWORD copyFlags)
1892 BOOL failIfExists = FALSE;
1895 * Interpret the only flag that CopyFile can interpret.
1897 if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1899 failIfExists = TRUE;
1902 return CopyFileA(sourceFilename, destFilename, failIfExists);
1905 /**************************************************************************
1906 * CopyFileExW (KERNEL32.859)
1908 BOOL WINAPI CopyFileExW(LPCWSTR sourceFilename,
1909 LPCWSTR destFilename,
1910 LPPROGRESS_ROUTINE progressRoutine,
1911 LPVOID appData,
1912 LPBOOL cancelFlagPointer,
1913 DWORD copyFlags)
1915 LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1916 LPSTR destA = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1918 BOOL ret = CopyFileExA(sourceA,
1919 destA,
1920 progressRoutine,
1921 appData,
1922 cancelFlagPointer,
1923 copyFlags);
1925 HeapFree( GetProcessHeap(), 0, sourceA );
1926 HeapFree( GetProcessHeap(), 0, destA );
1928 return ret;
1932 /***********************************************************************
1933 * SetFileTime (KERNEL32.650)
1935 BOOL WINAPI SetFileTime( HANDLE hFile,
1936 const FILETIME *lpCreationTime,
1937 const FILETIME *lpLastAccessTime,
1938 const FILETIME *lpLastWriteTime )
1940 BOOL ret;
1941 SERVER_START_REQ
1943 struct set_file_time_request *req = server_alloc_req( sizeof(*req), 0 );
1944 req->handle = hFile;
1945 if (lpLastAccessTime)
1946 req->access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
1947 else
1948 req->access_time = 0; /* FIXME */
1949 if (lpLastWriteTime)
1950 req->write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
1951 else
1952 req->write_time = 0; /* FIXME */
1953 ret = !server_call( REQ_SET_FILE_TIME );
1955 SERVER_END_REQ;
1956 return ret;
1960 /**************************************************************************
1961 * LockFile (KERNEL32.511)
1963 BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1964 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
1966 BOOL ret;
1967 SERVER_START_REQ
1969 struct lock_file_request *req = server_alloc_req( sizeof(*req), 0 );
1971 req->handle = hFile;
1972 req->offset_low = dwFileOffsetLow;
1973 req->offset_high = dwFileOffsetHigh;
1974 req->count_low = nNumberOfBytesToLockLow;
1975 req->count_high = nNumberOfBytesToLockHigh;
1976 ret = !server_call( REQ_LOCK_FILE );
1978 SERVER_END_REQ;
1979 return ret;
1982 /**************************************************************************
1983 * LockFileEx [KERNEL32.512]
1985 * Locks a byte range within an open file for shared or exclusive access.
1987 * RETURNS
1988 * success: TRUE
1989 * failure: FALSE
1990 * NOTES
1992 * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1994 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1995 DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
1996 LPOVERLAPPED pOverlapped )
1998 FIXME("hFile=%d,flags=%ld,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
1999 hFile, flags, reserved, nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh,
2000 pOverlapped);
2001 if (reserved == 0)
2002 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2003 else
2005 ERR("reserved == %ld: Supposed to be 0??\n", reserved);
2006 SetLastError(ERROR_INVALID_PARAMETER);
2009 return FALSE;
2013 /**************************************************************************
2014 * UnlockFile (KERNEL32.703)
2016 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
2017 DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
2019 BOOL ret;
2020 SERVER_START_REQ
2022 struct unlock_file_request *req = server_alloc_req( sizeof(*req), 0 );
2024 req->handle = hFile;
2025 req->offset_low = dwFileOffsetLow;
2026 req->offset_high = dwFileOffsetHigh;
2027 req->count_low = nNumberOfBytesToUnlockLow;
2028 req->count_high = nNumberOfBytesToUnlockHigh;
2029 ret = !server_call( REQ_UNLOCK_FILE );
2031 SERVER_END_REQ;
2032 return ret;
2036 /**************************************************************************
2037 * UnlockFileEx (KERNEL32.705)
2039 BOOL WINAPI UnlockFileEx(
2040 HFILE hFile,
2041 DWORD dwReserved,
2042 DWORD nNumberOfBytesToUnlockLow,
2043 DWORD nNumberOfBytesToUnlockHigh,
2044 LPOVERLAPPED lpOverlapped
2047 FIXME("hFile=%d,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
2048 hFile, dwReserved, nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh,
2049 lpOverlapped);
2050 if (dwReserved == 0)
2051 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2052 else
2054 ERR("reserved == %ld: Supposed to be 0??\n", dwReserved);
2055 SetLastError(ERROR_INVALID_PARAMETER);
2058 return FALSE;
2062 #if 0
2064 struct DOS_FILE_LOCK {
2065 struct DOS_FILE_LOCK * next;
2066 DWORD base;
2067 DWORD len;
2068 DWORD processId;
2069 FILE_OBJECT * dos_file;
2070 /* char * unix_name;*/
2073 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2075 static DOS_FILE_LOCK *locks = NULL;
2076 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2079 /* Locks need to be mirrored because unix file locking is based
2080 * on the pid. Inside of wine there can be multiple WINE processes
2081 * that share the same unix pid.
2082 * Read's and writes should check these locks also - not sure
2083 * how critical that is at this point (FIXME).
2086 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2088 DOS_FILE_LOCK *curr;
2089 DWORD processId;
2091 processId = GetCurrentProcessId();
2093 /* check if lock overlaps a current lock for the same file */
2094 #if 0
2095 for (curr = locks; curr; curr = curr->next) {
2096 if (strcmp(curr->unix_name, file->unix_name) == 0) {
2097 if ((f->l_start == curr->base) && (f->l_len == curr->len))
2098 return TRUE;/* region is identic */
2099 if ((f->l_start < (curr->base + curr->len)) &&
2100 ((f->l_start + f->l_len) > curr->base)) {
2101 /* region overlaps */
2102 return FALSE;
2106 #endif
2108 curr = HeapAlloc( GetProcessHeap(), 0, sizeof(DOS_FILE_LOCK) );
2109 curr->processId = GetCurrentProcessId();
2110 curr->base = f->l_start;
2111 curr->len = f->l_len;
2112 /* curr->unix_name = HEAP_strdupA( GetProcessHeap(), 0, file->unix_name);*/
2113 curr->next = locks;
2114 curr->dos_file = file;
2115 locks = curr;
2116 return TRUE;
2119 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2121 DWORD processId;
2122 DOS_FILE_LOCK **curr;
2123 DOS_FILE_LOCK *rem;
2125 processId = GetCurrentProcessId();
2126 curr = &locks;
2127 while (*curr) {
2128 if ((*curr)->dos_file == file) {
2129 rem = *curr;
2130 *curr = (*curr)->next;
2131 /* HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2132 HeapFree( GetProcessHeap(), 0, rem );
2134 else
2135 curr = &(*curr)->next;
2139 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2141 DWORD processId;
2142 DOS_FILE_LOCK **curr;
2143 DOS_FILE_LOCK *rem;
2145 processId = GetCurrentProcessId();
2146 for (curr = &locks; *curr; curr = &(*curr)->next) {
2147 if ((*curr)->processId == processId &&
2148 (*curr)->dos_file == file &&
2149 (*curr)->base == f->l_start &&
2150 (*curr)->len == f->l_len) {
2151 /* this is the same lock */
2152 rem = *curr;
2153 *curr = (*curr)->next;
2154 /* HeapFree( GetProcessHeap(), 0, rem->unix_name );*/
2155 HeapFree( GetProcessHeap(), 0, rem );
2156 return TRUE;
2159 /* no matching lock found */
2160 return FALSE;
2164 /**************************************************************************
2165 * LockFile (KERNEL32.511)
2167 BOOL WINAPI LockFile(
2168 HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2169 DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2171 struct flock f;
2172 FILE_OBJECT *file;
2174 TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2175 hFile, dwFileOffsetLow, dwFileOffsetHigh,
2176 nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2178 if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2179 FIXME("Unimplemented bytes > 32bits\n");
2180 return FALSE;
2183 f.l_start = dwFileOffsetLow;
2184 f.l_len = nNumberOfBytesToLockLow;
2185 f.l_whence = SEEK_SET;
2186 f.l_pid = 0;
2187 f.l_type = F_WRLCK;
2189 if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2191 /* shadow locks internally */
2192 if (!DOS_AddLock(file, &f)) {
2193 SetLastError( ERROR_LOCK_VIOLATION );
2194 return FALSE;
2197 /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2198 #ifdef USE_UNIX_LOCKS
2199 if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2200 if (errno == EACCES || errno == EAGAIN) {
2201 SetLastError( ERROR_LOCK_VIOLATION );
2203 else {
2204 FILE_SetDosError();
2206 /* remove our internal copy of the lock */
2207 DOS_RemoveLock(file, &f);
2208 return FALSE;
2210 #endif
2211 return TRUE;
2215 /**************************************************************************
2216 * UnlockFile (KERNEL32.703)
2218 BOOL WINAPI UnlockFile(
2219 HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2220 DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2222 FILE_OBJECT *file;
2223 struct flock f;
2225 TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2226 hFile, dwFileOffsetLow, dwFileOffsetHigh,
2227 nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2229 if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2230 WARN("Unimplemented bytes > 32bits\n");
2231 return FALSE;
2234 f.l_start = dwFileOffsetLow;
2235 f.l_len = nNumberOfBytesToUnlockLow;
2236 f.l_whence = SEEK_SET;
2237 f.l_pid = 0;
2238 f.l_type = F_UNLCK;
2240 if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2242 DOS_RemoveLock(file, &f); /* ok if fails - may be another wine */
2244 /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2245 #ifdef USE_UNIX_LOCKS
2246 if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2247 FILE_SetDosError();
2248 return FALSE;
2250 #endif
2251 return TRUE;
2253 #endif
2255 /**************************************************************************
2256 * GetFileAttributesExA [KERNEL32.874]
2258 BOOL WINAPI GetFileAttributesExA(
2259 LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2260 LPVOID lpFileInformation)
2262 DOS_FULL_NAME full_name;
2263 BY_HANDLE_FILE_INFORMATION info;
2265 if (lpFileName == NULL) return FALSE;
2266 if (lpFileInformation == NULL) return FALSE;
2268 if (fInfoLevelId == GetFileExInfoStandard) {
2269 LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2270 (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2271 if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2272 if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2274 lpFad->dwFileAttributes = info.dwFileAttributes;
2275 lpFad->ftCreationTime = info.ftCreationTime;
2276 lpFad->ftLastAccessTime = info.ftLastAccessTime;
2277 lpFad->ftLastWriteTime = info.ftLastWriteTime;
2278 lpFad->nFileSizeHigh = info.nFileSizeHigh;
2279 lpFad->nFileSizeLow = info.nFileSizeLow;
2281 else {
2282 FIXME("invalid info level %d!\n", fInfoLevelId);
2283 return FALSE;
2286 return TRUE;
2290 /**************************************************************************
2291 * GetFileAttributesExW [KERNEL32.875]
2293 BOOL WINAPI GetFileAttributesExW(
2294 LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2295 LPVOID lpFileInformation)
2297 LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2298 BOOL res =
2299 GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2300 HeapFree( GetProcessHeap(), 0, nameA );
2301 return res;